CN108458857A - Vibration, temperature and barometric pressure environment simulation test system for photoelectric equipment - Google Patents
Vibration, temperature and barometric pressure environment simulation test system for photoelectric equipment Download PDFInfo
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- CN108458857A CN108458857A CN201810516716.5A CN201810516716A CN108458857A CN 108458857 A CN108458857 A CN 108458857A CN 201810516716 A CN201810516716 A CN 201810516716A CN 108458857 A CN108458857 A CN 108458857A
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- 238000004088 simulation Methods 0.000 title claims abstract description 62
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- 230000006353 environmental stress Effects 0.000 claims abstract description 26
- 238000002474 experimental method Methods 0.000 claims description 66
- 230000005693 optoelectronics Effects 0.000 claims description 54
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a vibration, temperature and barometric pressure environment simulation test system for photoelectric equipment, which comprises the photoelectric equipment to be tested and an environment simulation test system; the photoelectric equipment to be tested consists of optical equipment to be tested and a CCD camera; the environment simulation test system consists of a low-frequency swing and broadband random vibration loading system, a temperature environment stress simulation loading test system and an air pressure environment stress simulation loading test system; the simulation test system for the vibration, temperature and barometric pressure environment of the photoelectric equipment integrates the comprehensive test of the vibration environment, the temperature environment and the low-barometric pressure environment simulation experiment, and can realize the simulation experiment and test analysis of the system response characteristic of the photoelectric equipment in the plateau environment by utilizing the environment test system.
Description
Technical field
The present invention relates to a kind of vibration of optoelectronic device, the gentle pressure environment simulation test systems of temperature, belong to optoelectronic device examination
Test technical field.
Background technology
Electro-optical system is the integrated system that a kind of collection is light, mechanical, electrical, control is highly integrated, vibration-punching under altitude environment
Hit-the coupling stresses effect such as temperature-barometric under, optical system therein, electronic system, mechanical system will be given to bring different from flat
The complex effects of original area；Temperature change, air pressure change and vibratory impulse equal excitation to study altitude environment set photoelectricity
Standby influence, the present invention propose a kind of vibration environment, temperature environment and hypobaric simulated experiment test system, utilize
The system can realize to optoelectronic device system response characteristic simulated experiment and test analysis under altitude environment.
Invention content
To solve the above problems, the present invention proposes a kind of vibration of optoelectronic device, the gentle pressure environmental simulation test system of temperature
System, integrates vibration environment, temperature environment and hypobaric simulated experiment integration test, utilizes this environmental test system
Energy realization system response characteristic simulated experiment and test analysis under altitude environment to optoelectronic device.
The optoelectronic device vibration of the present invention, the gentle pressure environment simulation test system of temperature, including optoelectronic device to be tried and ring
Border simulation experiment system；The optoelectronic device to be tried is made of optical device to be tried and CCD camera；The environmental simulation test
System is answered by low frequency sway and wideband random vibration loading system, the gentle pressure ring border of temperature environment stress simulation loading experiment system
Power simulation loading experimental system is constituted；
The low frequency sway and wideband random vibration loading system include fluid pressure type swaying platform and electromagnetic exciter；It is described to wait trying
Optoelectronic device and electromagnetic exciter are respectively arranged in fluid pressure type swaying platform, and it is moved on table top；The optoelectronic device side to be tried
It is provided with laser and looks for auto-collimation collimator as device；The optoelectronic device to be tried is electrically connected with low by video collector
Frequency waves the experiment calculation machine with wideband random vibration loading system；The fluid pressure type swaying platform and electromagnetic exciter lead to respectively
The experiment calculation mechatronics of overdriven amplifier and low frequency sway and wideband random vibration loading system；The fluid pressure type waves
It is also equipped with vibrating sensor on its movement table top of platform；The vibrating sensor and optoelectronic device to be tried pass through signal tune respectively
The experiment calculation mechatronics for managing device and low frequency sway and wideband random vibration loading system are swashed using Hydraulic Platform and electromagnetism
Car body amplitude low frequency rocking-turn and wideband random vibration synergy can be achieved in the device that shakes joint, can simulating vehicle advance between photoelectricity
Waving when device scan and stochastic regime；
The temperature environment stress simulation loading experiment system by optical signalling load subsystem, environment temperature load subsystem and
Picture signal processing subsystem is constituted；Subsystem, which is loaded, by optical signalling provides the test environment of a low-light to being surveyed
The optoelectronic device to be tried of amount, while photostress level and the intensity of light source are monitored in real time；The optical signalling loads subsystem
System includes standard A light sources, small integrating sphere, big integrating sphere, resolving power test target and auto-collimation directional light successively according to the light direction of propagation
Pipe needs the light source of different stage illuminance in experiment, therefore can be by changing small integral in optical signalling load subsystem
Diaphragm size on ball output window and transmitance plate is replaced to realize the illumination transformation of light source；Auto-collimation collimator can be with
Resolving power test target is replaced by manual switching, device can make the resolving power test target of needs be switched to required position along focal plane,
And using guide rail by CCD camera and optical device to be tried（Low-light takes aim at tool）It fixes, thus required component can be total to
Axis is convenient for axial restraint；Uniform beam is sent out by auto-collimation collimator in optical signalling load subsystem and is incident upon resolution ratio
On plate, tool is taken aim at by low-light, resolving power test target is imaged on CCD camera, and then acquired image and input computer, by image
Processing can carry out Real-Time Evaluation；Small, big integrating sphere main function is to take aim at the directional light of tool supply infinity, is cavity
Sphere, the hemispherical Shell for being usually coated with diffusive white reflective material by two inner walls assemble；Auto-collimation collimator is that one kind can
To generate the optical instrument of directional light, resolution ratio, the focal length of lens and lens group can be accurately measured using parallel light tube
And image quality；Environment temperature load subsystem is used to provide the test environment of a temperature change, the environment temperature load
Subsystem is high/low temperature control cabinet comprising babinet, and it is installed on the refrigeration mechanism and vacuum mechanism of lower box, and be installed on
Controller, electric heater and the evaporator on babinet top；Partition board, and upper part are installed between described babinet upper part and lower part
It is provided with working space；The evaporator is connect by cooling line with cooling body；The vacuum mechanism is connected by vacuum tube
It is connected to working space；The refrigeration mechanism, vacuum mechanism and electric heater are electrically connected with the controller respectively；The photoelectricity to be tried is set
It is standby by track installation in the working space of babinet, and the computer of its output end and picture signal processing subsystem is electrically connected
It connects, box volume is 8 times of optoelectronic device to be tried, not only improves the circulation of babinet self-energy in this way, and can guarantee photoelectricity to be tried
Equipment is interference-free in test；Picture signal processing subsystem includes the computer for being equipped with image processing system software, is used
It is disturbed effect in evaluation optoelectronic device, includes the quantitative inspection to Sight lines deviation and image overall jitter amount
It surveys, identify and evaluates, be related to real-time acquisition, the eigentransformation of image, noise reduction filtering and the information of optoelectronic device output image
Extraction and amount of image information neutralizing, which are released, waits sport technique segments；Photostress load window is offered on rear side of the babinet；The optics
Signal loading subsystem is installed on front side of photostress load window；
The air pressure environmental stress simulation loading experimental system includes low-pressure experiment cabin, and the vacuum pump being connect with low-pressure experiment cabin
Group, and it is set to the auto-collimation collimator looked for laser as device on front side of its hatch door of low-pressure experiment cabin；The photoelectricity to be tried
Equipment is positioned in low-pressure experiment cabin, and its output end is electrically connected to air pressure environmental stress simulation loading reality by video collector
The experiment calculation machine of check system；Its nacelle installed in front of the low-pressure experiment cabin has translumination observation window；The translumination observation window is
Double-layer structure is made of inner thermal insulating layer glass and outer Strength-Glass, and the optical parameter of its glass of translumination observation window passes through in advance
Metering experiment obtains, and adds in Zemax optical simulation models, has carried out low pressure and has analyzed image quality；The interior guarantor
It is provided with vacuum layer between warm layer glass and outer Strength-Glass, to prevent glass both sides from condensing into water due to excessive temperature differentials surface
Mist influences to observe clarity；Translumination observation window both sides are equipped with heat-insulating lining and gasket, with the increasing of height above sea level
Add, environmental pressure can be reduced constantly, and the relative concentration of various components is kept substantially under the conditions of different pressures in surrounding air
It is constant, by designing closed low-pressure experiment cabin in normal pressures area come the hypobaric hypoxia condition in simulated high altitude area.
As preferred embodiment, the optoelectronic device to be tried is installed on fluid pressure type swaying platform by horizontal sliding table
On, in X when implementing vibration impact experiment using shake table, Y, Z Multi-axial Loadings need to configure horizontal sliding table, meanwhile, utilize transient state
Wave combination method carries out in Multi-axial Loading response test, and suitable excitation parameter is selected according to thrust and frequency range.
As preferred embodiment, its mechanical rotation axis of the fluid pressure type swaying platform is sequentially connected with high-precision rotary
Transformer need to consider resemblance and the angular displacement campaign of test specimen simultaneously when carrying out running test using fluid pressure type tilter
Characteristic, optimization design swaying platform support, constraint, driving composite structure, ensure under a large load with shut down positioning states under
The stability and security of platform；Due to the normalization of rotary motion, high-precision rotary transformer is installed on mechanical rotation axis, it can be with
Accurately, convenient acquisition platform pitching location information, and show real time position.
As preferred embodiment, its band laser of the low frequency sway and wideband random vibration loading system is looked for as device
Auto-collimation collimator on resolving power target plate is detachably installed, optoelectronic device video to be tried in vibration processes can be acquired in real time
Output, and according to spectral discrimination optic central extract situation.
Further, temperature sensor and humidity sensor are also equipped in the working space.
As preferred embodiment, the refrigeration mechanism is dualistic formula water cooling overlapping unit；The vacuum mechanism is height
Imitate vacuum chamber；The electric heater is evanohm electric heater.
As preferred embodiment, the photostress load window is made of hollow Dual-layer optical glass, and outer layer has
Heating function prevents frosting when environmental test, hazes, has no effect on illuminance.
As preferred embodiment, described its hatch door of low-pressure experiment cabin is minute-pressure self-closing high intensity rectangle hatch door；Institute
It is tempering Pyrex to state inner thermal insulating layer glass and outer Strength-Glass；The gasket is neoprene material.
Further, the air pressure sensing for detecting pressure in nacelle is separately installed in described its nacelle of low-pressure experiment cabin
Device, and the temperature sensor for detecting cabin body temperature, and the electronic nose for detecting gas component concentrations in nacelle；It is described
Baroceptor, temperature sensor and electronic nose are electrically connected to air pressure environmental stress simulation loading by Signal-regulated kinase respectively
The experiment calculation machine of experimental system；The experiment calculation of the vacuum pump group and air pressure environmental stress simulation loading experimental system is electromechanical
Connection.
The present invention compared with prior art, optoelectronic device of the invention vibration, the gentle pressure environmental simulation test system of temperature
System, integrates vibration environment, temperature environment and hypobaric simulated experiment integration test, utilizes this environmental test system
Energy realization system response characteristic simulated experiment and test analysis under altitude environment to optoelectronic device.
Description of the drawings
Fig. 1 is the overall structure schematic block diagram of the present invention.
Fig. 2 is the low frequency sway and wideband random vibration loading system structural schematic diagram of the present invention.
Fig. 3 is 4 unit testing resolving power target plate structures of the low frequency sway and wideband random vibration loading system of the present invention
Schematic diagram.
Fig. 4 is the temperature environment stress simulation loading experiment system structure diagram of the present invention.
Fig. 5 is the structural schematic diagram of the high/low temperature control cabinet of the temperature environment stress simulation loading experiment system of the present invention.
Fig. 6 is the air pressure environmental stress simulation loading experimental system structural schematic diagram of the present invention.
Fig. 7 is the translumination observation window mounting structure schematic diagram of the air pressure environmental stress simulation loading experimental system of the present invention.
Fig. 8 is the light path principle figure of the low frequency sway and wideband random vibration loading system of the present invention.
Each component is labeled as in attached drawing：1- optoelectronic devices to be tried, 11- optical devices to be tried, 111- upper reflectors, under 112-
Transmitting mirror, 12-CCD video cameras, 2- low frequency sways and wideband random vibration loading system, 21- fluid pressure type swaying platforms, 22- electricity
Magnet exciter, 23- look for the auto-collimation collimator as device with laser, 24- video collectors, 25- low frequency sways and wideband with
The experiment calculation machine of machine vibration loading system, 26- driving amplifiers, 27- vibrating sensors, 28- signal conditioners, 3- temperature rings
Border stress simulation loading experiment system, 31- optical signallings load subsystem, 311- standard A light sources, the small integrating spheres of 312-, 313-
Big integrating sphere, 314- resolving power test targets, 315- auto-collimation collimators, 32- environment temperatures load subsystem, 321- babinets, 322-
Refrigeration mechanism, 323- vacuum mechanisms, 324- controllers, 325- electric heaters, 326- evaporators, 327- partition boards, 328- work are empty
Between, 33- picture signal processing subsystems, 4- air pressure environmental stress simulation loading experimental systems, 41- low-pressure experiments cabin, 42- vacuum
Pump group, 43- look for the auto-collimation collimator as device, the experiment of 44- air pressure environmental stress simulation loading experimental systems with laser
Computer, 45- translumination observation windows, 451- inner thermal insulating layer glass, the outer Strength-Glass of 452-, 453- vacuum layers, 46- heat-insulating linings,
47- gaskets, the hatch door in 48- low-pressure experiments cabin, 5- light bulbs, 6- Amici prisms, 7- scale graticles, 8- parallel light tube object lens,
9- parallel light tube eyepieces, 10- optical axises.
Specific implementation mode
As shown in Figures 1 to 7 optoelectronic device vibration, the gentle pressure environment simulation test system of temperature, including photoelectricity to be tried
Equipment 1 and environment simulation test system；The optoelectronic device to be tried 1 is made of optical device 11 to be tried and CCD camera 12；Institute
Environment simulation test system is stated by low frequency sway and wideband random vibration loading system 2, temperature environment stress simulation loading experiment
3 gentle pressure ring border stress simulation loading experiment system 4 of system is constituted；
The low frequency sway includes fluid pressure type swaying platform 21 and electromagnetic exciter 22 with wideband random vibration loading system 2；Institute
State optoelectronic device 1 and electromagnetic exciter 22 to be tried be respectively arranged in fluid pressure type swaying platform 2 its move table top on；The light to be tried
1 side of electric equipment is provided with laser and looks for auto-collimation collimator 23 as device；The optoelectronic device to be tried 1 is adopted by video
Storage 24 is electrically connected with the experiment calculation machine 25 of low frequency sway and wideband random vibration loading system；The fluid pressure type swaying platform
21 and electromagnetic exciter 22 pass through the tester of driving amplifier 26 and low frequency sway and wideband random vibration loading system respectively
Calculation machine 25 is electrically connected；It is also equipped with vibrating sensor 27 on its movement table top of the fluid pressure type swaying platform 21；The vibration passes
Sensor 27 and optoelectronic device to be tried 1 pass through the examination of signal conditioner 28 and low frequency sway and wideband random vibration loading system respectively
Test the electrical connection of computer 25；
The temperature environment stress simulation loading experiment system 3 loads subsystem by optical signalling load subsystem 31, environment temperature
System 32 and picture signal processing subsystem 33 are constituted；The optical signalling load subsystem 31 wraps successively according to the light direction of propagation
Include standard A light sources 311, small integrating sphere 312, big integrating sphere 313, resolving power test target 314 and auto-collimation collimator 315；The ring
Border temperature load subsystem 32 is high/low temperature control cabinet comprising babinet 321, and it is installed on the refrigeration mechanism of 321 lower part of babinet
322 and vacuum mechanism 323, and it is installed on the controller 324, electric heater 325 and evaporator 326 on 321 top of babinet；The case
Partition board 327 is installed, and upper part is provided with working space 328 between 321 upper part of body and lower part；The evaporator 326 is logical
Supercooling pipeline connects 322 with cooling body and connects；The vacuum mechanism 323 is connected to working space 328 by vacuum tube；The system
Cold structure 322, vacuum mechanism 323 and electric heater 325 are electrically connected with controller 324 respectively；The optoelectronic device to be tried 1 passes through
Track installation is in the working space 328 of babinet 321, and the computer of its output end and picture signal processing subsystem 33 is electrically connected
It connects；321 rear side of the babinet offers photostress load window（It is not shown）；The optical signalling load subsystem 31 is installed on
Photostress loads on front side of window；
The air pressure environmental stress simulation loading experimental system 4 includes low-pressure experiment cabin 41, and connect with low-pressure experiment cabin 41
Vacuum pump group 42, and it is set to the auto-collimation collimator 43 looked for laser as device on front side of its hatch door of low-pressure experiment cabin 41；
The optoelectronic device to be tried 1 is positioned in low-pressure experiment cabin 41, and its output end is electrically connected to air pressure ring by video collector
The experiment calculation machine 44 of border stress simulation loading experiment system；Its nacelle installed in front of the low-pressure experiment cabin 41 has translumination observation
Window 45；The translumination observation window 45 is double-layer structure, is made of inner thermal insulating layer glass 451 and outer Strength-Glass 452；In described
Vacuum layer 453 is provided between insulating layer glass 451 and outer Strength-Glass 452；45 both sides of translumination observation window are equipped with guarantor
Warm bushing 46 and gasket 47.
The optoelectronic device to be tried 1 is installed on by horizontal sliding table on fluid pressure type swaying platform 21.
Its mechanical rotation axis of the fluid pressure type swaying platform 21 is sequentially connected with high-precision rotary transformer.
The low frequency sway and wideband random vibration loading system its auto-collimation collimator 23 as device is looked for laser
On resolving power target plate is detachably installed.
It is also equipped with temperature sensor and humidity sensor in the working space 328.
The refrigeration mechanism 322 is dualistic formula water cooling overlapping unit；The vacuum mechanism 323 is high-efficiency vacuum cabin；It is described
Electric heater 325 is evanohm electric heater.
The photostress load window is made of hollow Dual-layer optical glass.
Its hatch door 48 of the low-pressure experiment cabin 41 is minute-pressure self-closing high intensity rectangle hatch door；The inner thermal insulating layer glass
451 and outer Strength-Glass 452 be tempering Pyrex；The gasket 47 is neoprene material.
It is separately installed with the baroceptor for detecting pressure in nacelle in 41 its nacelle of the low-pressure experiment cabin, and uses
In the temperature sensor of detection cabin body temperature, and the electronic nose for detecting gas component concentrations in nacelle；The air pressure transmission
Sensor, temperature sensor and electronic nose are electrically connected to air pressure environmental stress simulation loading experiment system by Signal-regulated kinase respectively
The experiment calculation machine 44 of system；44 electricity of experiment calculation machine of the vacuum pump group 42 and air pressure environmental stress simulation loading experimental system
Connection.
The optoelectronic device vibration of the present invention, the gentle pressure environment simulation test system of temperature, utilize Hydraulic Platform and electromagnetism
Car body amplitude low frequency rocking-turn and wideband random vibration synergy can be achieved in vibrator joint, can simulating vehicle advance between light
Waving when electric equipment scans and stochastic regime；
Since the size of fluid pressure type tilter limits, rolling test is carried out using low frequency sway and wideband random vibration loading system
In the upper back flush unit of optoelectronic device try its optical device to be tried only is subjected to rolling test on fluid pressure type tilter；Such as
Shown in Fig. 8, auto-collimation graduation is illuminated using light bulb 5 as light source, by Amici prism 6 and parallel light tube object lens 8, with directional light
Beam is incident on optical device to be tried（Tested image stabilization system）, reflective inside the injection image stabilization system of upper reflector 111, then under
The reflection of mirror 112 is returned by original optical path；In rolling test, adjusting can be passed through by checking that parallel light tube eyepiece 9 checks imaging contexts
The input frequency and the amplitude of oscillation of fluid pressure type tilter are simulated different sinusoidal wobble vibrations, are taken the photograph by auto-collimation collimator and CCD
For camera by transmission of video to computer, concrete operation step is as follows：
（1）The upper back flush unit of tested image stabilization system is mounted on fluid pressure type tilter, and fixed using bolt, to be excused from an examination
It is loosened during testing；Auto-collimation collimator is fixed on tripod, the incident light axis side for being tested image stabilization system is directed at
To the height of adjusting triangle frame and pitching, the orientation of auto-collimation collimator, make the optical axis of parallel light tube and tested image stabilization system
Optical axis it is consistent, and keep optical axis constant；
（2）It lights bulb source and illuminates auto-collimation graduation, Amici prism and object lens are passed through in the auto-collimation graduation being illuminated, with parallel
Light beam is incident on back flush unit on system under test (SUT), and by the reflection of upper reflector and lower reflective mirror, auto-collimation is back to by original optical path
Parallel light tube, and on the scale graticle 7 being imaged in auto-collimation collimator；Accurate adjustment is carried out to system by the image of graduation
Alignment, adjusts the pitching of parallel light tube, orientation makes the bright auto-collimation graduation being reflected back be imaged on image middle position as far as possible；
（3）After installing and having debugged pilot system, starts and be tested image stabilization system and enter surely as pattern, be then turned on fluid pressure type and shake
It sets a table, the swing of different frequency, the amplitude of oscillation is set according to test requirements document, auto-collimation collimator will be passed through by CCD camera
Transmission of video images is to Computer display and stores, and then video image is handled and identified using image processing program,
The lasting accuracy of acquisition system is to evaluate influence of the different frequency wobbles to image stabilization system imaging performance；
In temperature environment stress simulation loading experiment system, the test that subsystem provides a low-light is loaded by optical signalling
Environment gives optoelectronic device to be tried to be measured, while to monitor photostress level and the intensity of light source in real time；Pass through environment
Temperature loads the test environment that subsystem provides a temperature change；Picture signal processing subsystem includes being equipped with image procossing
The computer of system software is disturbed effect for evaluating optoelectronic device, including to Sight lines deviation and image
The feature of quantitative detection, identification and the evaluation of overall jitter amount, the real-time acquisition, image that are related to optoelectronic device output image becomes
It changes, the sport technique segments such as noise reduction filtering and information extraction and amount of image information neutralizing are released；
With the increase of height above sea level, environmental pressure can be reduced constantly, and the relative concentration of various components is not in surrounding air
With being held essentially constant under pressure condition, by designing closed low-pressure experiment cabin in normal pressures area come simulated high altitude area
Hypobaric hypoxia condition；
The optoelectronic device vibration of the present invention, the gentle pressure environment simulation test system of temperature, collection vibration environment, temperature environment and low
Air pressure environmental simulation tests integration test in one, can be realized to optoelectronic device under altitude environment using this environmental test system
System response characteristic simulated experiment and test analysis.
Above-described embodiment is only the better embodiment of the present invention, therefore all structures according to described in present patent application range
It makes, the equivalent change or modification that feature and principle are done, is included within the scope of present patent application.
Claims (9)
1. a kind of optoelectronic device vibration, the gentle pressure environment simulation test system of temperature, it is characterised in that：Including optoelectronic device to be tried
And environment simulation test system；The optoelectronic device to be tried is made of optical device to be tried and CCD camera；The environmental simulation
Pilot system is by low frequency sway and wideband random vibration loading system, the gentle pressure ring of temperature environment stress simulation loading experiment system
Border stress simulation loading experiment system is constituted；
The low frequency sway and wideband random vibration loading system include fluid pressure type swaying platform and electromagnetic exciter；It is described to wait trying
Optoelectronic device and electromagnetic exciter are respectively arranged in fluid pressure type swaying platform, and it is moved on table top；The optoelectronic device side to be tried
It is provided with laser and looks for auto-collimation collimator as device；The optoelectronic device to be tried is electrically connected with low by video collector
Frequency waves the experiment calculation machine with wideband random vibration loading system；The fluid pressure type swaying platform and electromagnetic exciter lead to respectively
The experiment calculation mechatronics of overdriven amplifier and low frequency sway and wideband random vibration loading system；The fluid pressure type waves
It is also equipped with vibrating sensor on its movement table top of platform；The vibrating sensor and optoelectronic device to be tried pass through signal tune respectively
Manage the experiment calculation mechatronics of device and low frequency sway and wideband random vibration loading system；
The temperature environment stress simulation loading experiment system by optical signalling load subsystem, environment temperature load subsystem and
Picture signal processing subsystem is constituted；The optical signalling load subsystem includes standard A light successively according to the light direction of propagation
Source, small integrating sphere, big integrating sphere, resolving power test target and auto-collimation collimator；The environment temperature load subsystem is high/low temperature
Control cabinet comprising babinet, and it is installed on the refrigeration mechanism and vacuum mechanism of lower box, and it is installed on the control on babinet top
Device, electric heater and evaporator；Partition board is installed, and upper part is provided with work sky between described babinet upper part and lower part
Between；The evaporator is connect by cooling line with cooling body；The vacuum mechanism is connected to working space by vacuum tube；
The refrigeration mechanism, vacuum mechanism and electric heater are electrically connected with the controller respectively；The optoelectronic device to be tried is pacified by track
In working space loaded on babinet, and the calculating mechatronics of its output end and picture signal processing subsystem；After the babinet
Side offers photostress load window；The optical signalling load subsystem is installed on front side of photostress load window；
The air pressure environmental stress simulation loading experimental system includes low-pressure experiment cabin, and the vacuum pump being connect with low-pressure experiment cabin
Group, and it is set to the auto-collimation collimator looked for laser as device on front side of its hatch door of low-pressure experiment cabin；The photoelectricity to be tried
Equipment is positioned in low-pressure experiment cabin, and its output end is electrically connected to air pressure environmental stress simulation loading reality by video collector
The experiment calculation machine of check system；Its nacelle installed in front of the low-pressure experiment cabin has translumination observation window；The translumination observation window is
Double-layer structure is made of inner thermal insulating layer glass and outer Strength-Glass；It is set between the inner thermal insulating layer glass and outer Strength-Glass
It is equipped with vacuum layer；Translumination observation window both sides are equipped with heat-insulating lining and gasket.
2. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
The optoelectronic device to be tried is installed on by horizontal sliding table on fluid pressure type swaying platform.
3. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
Its mechanical rotation axis of the fluid pressure type swaying platform is sequentially connected with high-precision rotary transformer.
4. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
The low frequency sway and wideband random vibration loading system its look on the auto-collimation collimator as device with laser and detachably pacifying
Equipped with resolving power target plate.
5. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
It is also equipped with temperature sensor and humidity sensor in the working space.
6. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
The refrigeration mechanism is dualistic formula water cooling overlapping unit；The vacuum mechanism is high-efficiency vacuum cabin；The electric heater closes for chromium
Golden electric heater.
7. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
The photostress load window is made of hollow Dual-layer optical glass.
8. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
Described its hatch door of low-pressure experiment cabin is minute-pressure self-closing high intensity rectangle hatch door；The inner thermal insulating layer glass and outer Strength-Glass are
Tempering Pyrex；The gasket is neoprene material.
9. optoelectronic device vibration according to claim 1, the gentle pressure environment simulation test system of temperature, it is characterised in that：
The baroceptor for detecting pressure in nacelle is separately installed in described its nacelle of low-pressure experiment cabin, and for detecting nacelle
The temperature sensor of interior temperature, and the electronic nose for detecting gas component concentrations in nacelle；The baroceptor, temperature pass
Sensor and electronic nose are electrically connected to the tester of air pressure environmental stress simulation loading experimental system by Signal-regulated kinase respectively
Calculation machine；The experiment calculation mechatronics of the vacuum pump group and air pressure environmental stress simulation loading experimental system.
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| CN110361151A (en) * | 2019-07-30 | 2019-10-22 | 中国包装科研测试中心 | A kind of low pressure vibration-testing apparatus and method |
| CN110460839A (en) * | 2019-08-15 | 2019-11-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of optic testing system and test method |
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| CN115041247A (en) * | 2022-06-10 | 2022-09-13 | 中国兵器装备集团西南技术工程研究所 | Flat-wall type ultrahigh-temperature broadband vibration simulation system |
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| CN116202748A (en) * | 2023-05-05 | 2023-06-02 | 贾维斯智能(深圳)有限公司 | Calibration device of automobile data recorder lens module |
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